- All sections
- B - Performing operationstransporting
- B41J - Typewritersselective printing mechanisms, i.e. mechanisms printing otherwise than from a formecorrection of typographical errors
- B41J 29/20 - Arrangements of counting devices
Patent holdings for IPC class B41J 29/20
Total number of patents in this class: 11
10-year publication summary
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0
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0
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1
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0
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1
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0
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2
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1
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2
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1
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Seiko Epson Corporation | 19809 |
3 |
| Hewlett-Packard Development Company, L.P. | 25471 |
2 |
| Brother Industries, Ltd. | 12929 |
2 |
| Canon Inc. | 41573 |
1 |
| Konica Minolta, Inc. | 8960 |
1 |
| Hewlett-Packard Industrial Printing Ltd. | 62 |
1 |
| Semes Co., Ltd. | 1545 |
1 |
| Other owners | 0 |